Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	XRN1
Human P-Site:	S821
P-Site Sequence:	VRLEKQWSKQVVPFV
UniProt:	Q8IZH2
Intern. Prot. ID:	IPI00657805

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XRN1	Q8IZH2	S821	VRLEKQWSKQVVPFV	100 / 9 AA	194
Phosphosite 1:	LKAP	Q9Y4F3	S1263	IERTKQFSKDVVDLL	75 / 8 AA	193
Phosphosite 2:	SECISBP2	Q96T21	S472	SQHAKQSSKPVVVSV	66 / 9 AA	95
Phosphosite 3:	ADCY5	O95622	S754	PDLEKKYSKQVDDRF	75 / 8 AA	139
Phosphosite 4:	BCAS3	Q9H6U6	S605	LKREKDQSKQVVVES	77 / 9 AA	101
Phosphosite 5:	MGAT4A	Q9UM21	S197	ANLEKEFSKEISSGL	50 / 8 AA	62
Phosphosite 6:	RPL22L1	Q6P5R6	S73	VVSEKQFSKRYLKYL	55 / 9 AA	15
Phosphosite 7:	DACT1	Q9NYF0	S420	FSPPKQWSKESKAEQ	83 / 6 AA	90
Phosphosite 8:	CEP290	O15078	S2037	HALEKQFSKDTYSKP	62 / 8 AA	290
Phosphosite 9:	MAPKAPK3	Q16644	S46	VTDDYQLSKQVLGLG	55 / 9 AA	43
Phosphosite 10:	AKNA	Q7Z591	S1312	TPSPKQRSKQAGSSP	71 / 7 AA	155
Phosphosite 11:	PNPLA8	Q9NP80	S26	SVCGKQRSKQLYFLF	71 / 7 AA	88
Phosphosite 12:	GTF3C4	Q9UKN8	S628	QQEEGTSSKQVVKQG	66 / 9 AA	92
Phosphosite 13:	IPP	Q9Y573	S74	TGGMKESSKDVVPIL	62 / 8 AA	65
Phosphosite 14:	KCTD19	Q17RG1	S732	AGTLKDWSKQRTKER	83 / 6 AA	105
Phosphosite 15:	BAZ1A	Q9NRL2	S396	VEYLKQWSKPREDME	83 / 6 AA	179
Phosphosite 16:	HNRNPC	P07910	S222	EKIEKEQSKQAVEMK	66 / 9 AA	34
Phosphosite 17:	BRWD3	Q6RI45	S730	ERDLMAWSRRVVVNE	50 / 8 AA	204
Phosphosite 18:	RbBP2	P29375	S140	VTKEKKWSKVGSRLG	83 / 6 AA	192
Phosphosite 19:	ARMC10	Q8N2F6	S76	GTWESQWSKTSQPED	83 / 6 AA	38
Phosphosite 20:	ZNF341	Q9BYN7	S435	EEGDKPESKQVVLID	66 / 9 AA	93